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tyrannosaurus

British  
/ tɪˌrænəˈsɔːrəs, tɪˈrænəˌsɔː- /

noun

  1. any large carnivorous bipedal dinosaur of the genus Tyrannosaurus, common in North America in upper Jurassic and Cretaceous times: suborder Theropoda (theropods)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of tyrannosaurus

C19: from New Latin, from Greek turannos tyrant + sauros lizard


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

It lived between 100 and 120 million years ago - around 40 million years earlier than the tyrannosaurus rex - and is about twice the size of that creature.

From BBC ● May 14, 2026

“And it doesn’t get any more diagnostic than that, seeing these giant tyrannosaurus teeth starring back at you.”

From Seattle Times ● Jun. 3, 2024

Earlier this year, the United States returned dinosaur fossils taken out of Mongolia, including the skull of an alioramus, a smaller version of a tyrannosaurus rex that lived 70 million years ago.

From Reuters ● Nov. 20, 2023

This means that a wide range of iconic dinosaurs were warm-blooded: Velociraptors and tyrannosaurus rexes were theropods, pterodactyls and so-called "monkeydactyls" were pterosaurs, triceratopses and stegosauruses were ornithischia, and brontosauruses and brachiosauruses were sauropods.

From Salon ● May 29, 2022

The tyrannosaurus had seen it, was already yelping and crouching out of the way.

From "Dactyl Hill Squad" by Daniel José Older

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